Issue 1/2020
Content (12 Articles)
GENERAL PROBLEMS OF METROLOGY AND MEASUREMENT TECHNIQUE
Methods for the Calibration of Space-Gravity Gradiometers
I. S. Sil’vestrov, V. F. Fateev, R. A. Davlatov
MEASUREMENTS IN INFORMATION TECHNOLOGIES
Metrological Support for Measurements of Speed and Bandwidth of Packet Data Networks: Problems and Prospects for Development
A. V. Aprelev, V. S. Belyaev, I. M. Malai, V. N. Shorin
OPTOPHYSICAL MEASUREMENTS
Reducing the Measurement Error of Signal Propagation Delays Using an Optical Reflectometer with Picosecond Resolution
O. V. Kolmogorov, A. N. Shchipunov, O. V. Denisenko, S. S. Donchenko, D. V. Prokhorov, S. G. Buev, E. V. Chemesova
TIME AND FREQUENCY MEASUREMENTS
Characteristics of the Long-Term Instability of the New-Generation Hydrogen Frequency and Time Standards
S. I. Donchenko, I. Yu. Blinov, I. B. Norets, Yu. F. Smirnov, A. A. Belyaev, N. A. Demidov, B. A. Sakharov, V. G. Vorontsov
THERMOPHYSICAL MEASUREMENTS
Installation of Relative Acoustic Gas Thermometry in the Low Temperature Range from 4.2 to 80 K
V. G. Kytin, M. Yu. Gavalyan, B. G. Potapov, E. G. Aslanyan, A. N. Shchipunov
ELECTROMAGNETIC MEASUREMENTS
Working Standard of the Unit of Power of Electromagnetic Waves in the Frequency Range of 37.5–220 GHz
A. V. Koudelny, I. M. Malay, V. A. Perepelkin, I. P. Chirkov
RADIO MEASUREMENTS
Method for Assessing the Metrological Characteristics of Reference Measures of a Unit of the Complex Reflection Coefficient in Waveguides in the Millimeter Wavelength Range
A. S. Bondarenko, A. S. Borovkov, I. M. Malay, V. A. Semyonov
ACOUSTIC MEASUREMENTS
Transfer of the Unit of Sound Pressure by Hydrophones, Taking Account of the Conditions of their Use
A. E. Isaev, S. F. Nekrich, I. V. Chernikov
IONIZING RADIATION MEASUREMENTS
Status and Development Prospects of Establishing Reference Tools for Reproducing the Units of Volumetric Activity of Radon and Thoron and Radon Flux Density from the Soil Surface
S. G. Biryukov, O. I. Kovalenko, A. A. Orlov